#include<stdio.h>
 
// function to find factorial of given number
unsigned int factorial(unsigned int n)
{
    if (n == 0)
      return 1;
    return n*factorial(n-1);
}
 
int main()
{
    int num = 5;
    printf("Factorial of %d is %d", num, factorial(num));
    return 0;
}